ARCHIVED - Cryptosporidiosis
Nationally notifiable since 2000
1.0 National Notification
Only confirmed cases of disease should be notified.
2.0 Type of Surveillance
Routine case-by-case notification to the federal level
3.0 Case Classification
3.1 Confirmed case
Laboratory confirmation of infection with or without symptoms from an appropriate clinical specimen (e.g. stool, intestinal fluid or small bowel biopsy):
- demonstration of Cryptosporidium oocysts
- detection of Cryptosporidium DNA
- demonstration of Cryptosporidium antigen by an approved method (e.g. EIA, immunochromatographic – ICT)
3.2 Probable case
Clinical illness in a person who is epidemiologically linked to a confirmed case
4.0 Laboratory Comments
While Cryptosporidium parvum and Cryptosporidium hominis are the leading causes of cryptosporidiosis, other species are known to cause diarrheal illness in immunocompromised individuals.
5.0 Clinical Evidence
Clinical illness is characterized by diarrhea (often profuse and watery), abdominal cramps, anorexia, fever, nausea, general malaise and vomiting.
6.0 ICD Code(s)
6.1 ICD-10 Code(s)
6.2 ICD-9/ICD-9CM Code(s)
7.0 Type of International Reporting
Probable case definitions are provided as guidelines to assist with case finding and public health management, and are not for national notification purposes.
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